Dr Joseph Rock taking a photograph of the 'Kunming' aircraft, near Lijiang

Zhu Shaoliang, Mrs Shao Lizi and Director He at Dihua Airport, Ürümqi, in 1943

Louis de San prepares for launch in a glider at Chungking

Louis de San's glider and crowd, after Asian record-setting glider flight at Chungking

Louis de San with glider, China, c.1940

Aerial photograph of Zhongnanhai, Peking, looking north.